双球是一个街机游戏，非常适合度过无聊的空闲时间。鼠标控制环的移动并使球停止在指定范围内。玩双球玩得开心。
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
